Go toSharedfolders:
In appdata folder, create a folder for calibre.
In Media, go to books folder, in books folder create folder for calibrelibrary.
Move all your existing books into a new folder called existing.

Click Connect/share, setup email based sharing of books, add email server information to bottom left or click GMX, set a free GMX account, since firefox is already part of calibre, we can do it inside of calibre, create account, login, click email settings, click pop3 & imap, check send & receive emails by external program, close browser, add in user name and password, user name is email address, save, click test email, type in an email address to email too, such as the same email address as you just made, mail successfully sent. Sending service successfully set up.

To send book, right click on book, connect/share, email to: properaddress, check that email was sent on GMX website, on device, open email and download attachment.

Set up calibre database

You can access the Calibre webserver by pointing your web browser to http://youripaddress:8081

Click connect share, start content server, error comes up for 8080, 8081 is the actual content server, just need to change the settings, click preferences, click sharing over the net, change the port to 8081 which is the port in the container even if you changed what you mapped the port too in the beginning.

Apply, ok
Click connect/server, start content server, no errors.

Go to youripaddress:8081
Opens calibre library. Click on library button to see your library. Can download, but read doesn’t work.